DEBIAN-CVE-2025-39990
Record from OSV · Published October 15, 2025
In the Linux kernel, the following vulnerability has been resolved: bpf: Check the helper function is valid in get_helper_proto kernel test robot reported verifier bug [1] where the helper func pointer could be NULL due to disabled config option. As Alexei suggested we could check on that in get_helper_proto directly. Marking tail_call helper func with BPF_PTR_POISON, because it is unused by design. [1] https://lore.kernel.org/oe-lkp/202507160818.68358831-lkp@intel.com
Fixed versions
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| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:14 | 6.16.10-1 |
| linux | Debian:13 | 6.12.57-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 6.12.73-1~bpo12+1, 6.12.74-1, 6.12.74-2 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:12 | linux | 6.11.6-1, 6.11.7-1, 6.11.9-1 |
Timeline
- Oct 15, 2025 CVE Published
- Oct 23, 2026 CVE Updated
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